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Title: Two-plasmon decay instability in inhomogeneous plasmas at oblique laser incidence

The two-plasmon decay (TPD) and stimulated Raman scattering (SRS) instabilities have been studied in the region near the quarter-critical density in the plasmas of the laser-driven inertial confinement fusion for a wide range of laser angles of incidence. The theoretical analysis of the TPD for oblique laser incidence has been carried out. The theoretical growth rates and thresholds have been compared with the results of the fluid-type simulations, and a good agreement has been found. Here, in the modeling including both TPD and SRS, the spectra of the growing perturbations have multiple peaks, and the maximum growth may be influenced by the interplay between TPD and SRS.
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  1. Univ. of Rochester, Rochester, NY (United States)
  2. Univ. of Rochester, Rochester, NY (United States); Univ. of Science and Technology of China, Anhui (People's Republic of China)
Publication Date:
Grant/Contract Number:
NA0001944; FC02-04ER54789; SC0012316
Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 23; Journal Issue: 9; Journal ID: ISSN 1070-664X
American Institute of Physics (AIP)
Research Org:
Univ. of Rochester, Rochester, NY (United States). Lab. for Laser Energetics
Sponsoring Org:
Country of Publication:
United States
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; plasma waves; laser theory; plasma instabilities; carbon dioxide; inertial confinement
OSTI Identifier:
Alternate Identifier(s):
OSTI ID: 1328055